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<li class="navelem"><a class="el" href="dir_90ffdbabf412cfdffe6b2193e0ce938a.html">libxrpl</a></li><li class="navelem"><a class="el" href="dir_206ae571f9a7f3abb34f1a779b56a18b.html">ledger</a></li> </ul>
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<div class="headertitle"><div class="title">PaymentSandbox.cpp</div></div>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &lt;xrpl/beast/utility/instrumentation.h&gt;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="preprocessor">#include &lt;xrpl/ledger/PaymentSandbox.h&gt;</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="preprocessor">#include &lt;xrpl/ledger/View.h&gt;</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="preprocessor">#include &lt;xrpl/protocol/SField.h&gt;</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespacexrpl.html">xrpl</a> {</div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="keyword">namespace </span>detail {</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="keyword">auto</span></div>
<div class="foldopen" id="foldopen00011" data-start="{" data-end="}">
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"><a class="line" href="classxrpl_1_1detail_1_1DeferredCredits.html#ae7a2718548ad7c7010abea6afa848f50"> 11</a></span><a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#ae7a2718548ad7c7010abea6afa848f50">DeferredCredits::makeKey</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; a1, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; a2, <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; c) -&gt; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/tuple.html">Key</a></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span>{</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span> <span class="keywordflow">if</span> (a1 &lt; a2)</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/make_tuple.html">std::make_tuple</a>(a1, a2, c);</div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span> <span class="keywordflow">return</span> <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/make_tuple.html">std::make_tuple</a>(a2, a1, c);</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>}</div>
</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00020" data-start="{" data-end="}">
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"><a class="line" href="classxrpl_1_1detail_1_1DeferredCredits.html#a5147d86fd74744e5370cebd5e8191c52"> 20</a></span><a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a5147d86fd74744e5370cebd5e8191c52">DeferredCredits::credit</a>(</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; sender,</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; receiver,</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount,</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; preCreditSenderBalance)</div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span>{</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> XRPL_ASSERT(sender != receiver, <span class="stringliteral">&quot;xrpl::detail::DeferredCredits::credit : sender is not receiver&quot;</span>);</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> XRPL_ASSERT(!amount.negative(), <span class="stringliteral">&quot;xrpl::detail::DeferredCredits::credit : positive amount&quot;</span>);</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">auto</span> <span class="keyword">const</span> k = <a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#ae7a2718548ad7c7010abea6afa848f50">makeKey</a>(sender, receiver, amount.getCurrency());</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">auto</span> i = <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a6d698e8c6e422f3570b22b8afa2713a4">credits_</a>.find(k);</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordflow">if</span> (i == <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a6d698e8c6e422f3570b22b8afa2713a4">credits_</a>.end())</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> {</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <a class="code hl_struct" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html">Value</a> v;</div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordflow">if</span> (sender &lt; receiver)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> v.<a class="code hl_variable" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#ab77c64b876f7227f1891885f48dcac7d">highAcctCredits</a> = amount;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> v.<a class="code hl_variable" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#a735d3100cc686833e05a31f181c809e5">lowAcctCredits</a> = amount.zeroed();</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> v.<a class="code hl_variable" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#a3f4fc1eab2310d426aad99564b6fa830">lowAcctOrigBalance</a> = preCreditSenderBalance;</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> }</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> {</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span> v.<a class="code hl_variable" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#ab77c64b876f7227f1891885f48dcac7d">highAcctCredits</a> = amount.zeroed();</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span> v.<a class="code hl_variable" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#a735d3100cc686833e05a31f181c809e5">lowAcctCredits</a> = amount;</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> v.<a class="code hl_variable" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#a3f4fc1eab2310d426aad99564b6fa830">lowAcctOrigBalance</a> = -preCreditSenderBalance;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> }</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a6d698e8c6e422f3570b22b8afa2713a4">credits_</a>[k] = v;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> }</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> {</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// only record the balance the first time, do not record it here</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">auto</span>&amp; v = i-&gt;second;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span> (sender &lt; receiver)</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> v.<a class="code hl_variable" href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#ab77c64b876f7227f1891885f48dcac7d">highAcctCredits</a> += amount;</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> v.lowAcctCredits += amount;</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> }</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>}</div>
</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00062" data-start="{" data-end="}">
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="classxrpl_1_1detail_1_1DeferredCredits.html#a80a83d17c67d4407ca1461b33480cbf3"> 62</a></span><a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a80a83d17c67d4407ca1461b33480cbf3">DeferredCredits::ownerCount</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; <span class="keywordtype">id</span>, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> cur, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> next)</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span>{</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">auto</span> <span class="keyword">const</span> v = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(cur, next);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">auto</span> r = <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a4fe80dc0ef4d648f95760f0d92a5cf11">ownerCounts_</a>.emplace(<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a>(<span class="keywordtype">id</span>, v));</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> <span class="keywordflow">if</span> (!r.second)</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">auto</span>&amp; mapVal = r.first-&gt;second;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> mapVal = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(v, mapVal);</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> }</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span>}</div>
</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint32_t&gt;</a></div>
<div class="foldopen" id="foldopen00074" data-start="{" data-end="}">
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"><a class="line" href="classxrpl_1_1detail_1_1DeferredCredits.html#ac91b58a4a9fb2b4d92c76cb4aa445af2"> 74</a></span><a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a80a83d17c67d4407ca1461b33480cbf3">DeferredCredits::ownerCount</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; <span class="keywordtype">id</span>)<span class="keyword"> const</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">auto</span> i = <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a4fe80dc0ef4d648f95760f0d92a5cf11">ownerCounts_</a>.find(<span class="keywordtype">id</span>);</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="keywordflow">if</span> (i != <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a4fe80dc0ef4d648f95760f0d92a5cf11">ownerCounts_</a>.end())</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="keywordflow">return</span> i-&gt;second;</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">return</span> <a class="code hl_variableRef" href="http://en.cppreference.com/w/cpp/types/is_same.html">std::nullopt</a>;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>}</div>
</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment">// Get the adjustments for the balance between main and other.</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="keyword">auto</span></div>
<div class="foldopen" id="foldopen00084" data-start="{" data-end="}">
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"><a class="line" href="classxrpl_1_1detail_1_1DeferredCredits.html#a46237c415819bcd6110f8a313b1a0c68"> 84</a></span><a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a46237c415819bcd6110f8a313b1a0c68">DeferredCredits::adjustments</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; main, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; other, <a class="code hl_class" href="classxrpl_1_1base__uint.html">Currency</a> <span class="keyword">const</span>&amp; currency) <span class="keyword">const</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> -&gt; <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Adjustment&gt;</a></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span>{</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;Adjustment&gt;</a> result;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/tuple.html">Key</a> <span class="keyword">const</span> k = makeKey(main, other, currency);</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> <span class="keyword">auto</span> i = credits_.find(k);</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keywordflow">if</span> (i == credits_.end())</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; v = i-&gt;second;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">if</span> (main &lt; other)</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> {</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">emplace</a>(v.highAcctCredits, v.lowAcctCredits, v.lowAcctOrigBalance);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> {</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">emplace</a>(v.lowAcctCredits, v.highAcctCredits, -v.lowAcctOrigBalance);</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> }</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>}</div>
</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00109" data-start="{" data-end="}">
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"><a class="line" href="classxrpl_1_1detail_1_1DeferredCredits.html#a2c939376fd7b4ab69116c4532d34e555"> 109</a></span><a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a2c939376fd7b4ab69116c4532d34e555">DeferredCredits::apply</a>(<a class="code hl_class" href="classxrpl_1_1detail_1_1DeferredCredits.html">DeferredCredits</a>&amp; to)</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span>{</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; i : <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a6d698e8c6e422f3570b22b8afa2713a4">credits_</a>)</div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> {</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">auto</span> r = to.<a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a6d698e8c6e422f3570b22b8afa2713a4">credits_</a>.emplace(i);</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> <span class="keywordflow">if</span> (!r.second)</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> {</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">auto</span>&amp; toVal = r.first-&gt;second;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; fromVal = i.second;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> toVal.lowAcctCredits += fromVal.lowAcctCredits;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> toVal.highAcctCredits += fromVal.highAcctCredits;</div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// Do not update the orig balance, it&#39;s already correct</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> }</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> }</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; i : <a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a4fe80dc0ef4d648f95760f0d92a5cf11">ownerCounts_</a>)</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">auto</span> r = to.<a class="code hl_variable" href="classxrpl_1_1detail_1_1DeferredCredits.html#a4fe80dc0ef4d648f95760f0d92a5cf11">ownerCounts_</a>.emplace(i);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (!r.second)</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">auto</span>&amp; toVal = r.first-&gt;second;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">auto</span> <span class="keyword">const</span>&amp; fromVal = i.second;</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> toVal = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(toVal, fromVal);</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> }</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>}</div>
</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span>} <span class="comment">// namespace detail</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a></div>
<div class="foldopen" id="foldopen00139" data-start="{" data-end="}">
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#a0002ba59021a6cdd09775cd2c826d47d"> 139</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#a0002ba59021a6cdd09775cd2c826d47d">PaymentSandbox::balanceHook</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; account, <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; issuer, <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount)<span class="keyword"> const</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">/*</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="comment"> There are two algorithms here. The pre-switchover algorithm takes the</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="comment"> current amount and subtracts the recorded credits. The post-switchover</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="comment"> algorithm remembers the original balance, and subtracts the debits. The</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="comment"> post-switchover algorithm should be more numerically stable. Consider a</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="comment"> large credit with a small initial balance. The pre-switchover algorithm</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="comment"> computes (B+C)-C (where B+C will the amount passed in). The</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span><span class="comment"> post-switchover algorithm returns B. When B and C differ by large</span></div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span><span class="comment"> magnitudes, (B+C)-C may not equal B.</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="comment"> */</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">auto</span> <span class="keyword">const</span> currency = amount.getCurrency();</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">auto</span> delta = amount.zeroed();</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">auto</span> lastBal = amount;</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">auto</span> minBal = amount;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> curSB = <span class="keyword">this</span>; curSB; curSB = curSB-&gt;ps_)</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> {</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> adj = curSB-&gt;tab_.adjustments(account, issuer, currency))</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> {</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> delta += adj-&gt;debits;</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> lastBal = adj-&gt;origBalance;</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">if</span> (lastBal &lt; minBal)</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> minBal = lastBal;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> }</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> }</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> <span class="comment">// The adjusted amount should never be larger than the balance. In</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="comment">// some circumstances, it is possible for the deferred credits table</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// to compute usable balance just slightly above what the ledger</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="comment">// calculates (but always less than the actual balance).</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> <span class="keyword">auto</span> adjustedAmt = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a>({amount, lastBal - delta, minBal});</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> adjustedAmt.setIssuer(amount.getIssuer());</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> <span class="keywordflow">if</span> (<a class="code hl_function" href="namespacexrpl.html#a255b5518870987aa13c1a924c9900ab9">isXRP</a>(issuer) &amp;&amp; adjustedAmt &lt; beast::zero)</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> <span class="comment">// A calculated negative XRP balance is not an error case. Consider a</span></div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> <span class="comment">// payment snippet that credits a large XRP amount and then debits the</span></div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// same amount. The credit can&#39;t be used but we subtract the debit and</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> <span class="comment">// calculate a negative value. It&#39;s not an error case.</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> adjustedAmt.clear();</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> </div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> <span class="keywordflow">return</span> adjustedAmt;</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span>}</div>
</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> </div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div>
<div class="foldopen" id="foldopen00186" data-start="{" data-end="}">
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#acfd7048071d09a03d592e0b3b76be997"> 186</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#acfd7048071d09a03d592e0b3b76be997">PaymentSandbox::ownerCountHook</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; account, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> count)<span class="keyword"> const</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> result = count;</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> curSB = <span class="keyword">this</span>; curSB; curSB = curSB-&gt;ps_)</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> {</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">if</span> (<span class="keyword">auto</span> adj = curSB-&gt;tab_.ownerCount(account))</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> result = <a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a>(result, *adj);</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> }</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span>}</div>
</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00198" data-start="{" data-end="}">
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#ad408e283d844a56589036f02334cc336"> 198</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#ad408e283d844a56589036f02334cc336">PaymentSandbox::creditHook</a>(</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; from,</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; to,</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; amount,</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> <span class="keyword">const</span>&amp; preCreditBalance)</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span>{</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> <a class="code hl_variable" href="classxrpl_1_1PaymentSandbox.html#ac2ebf7f0b5c6334e204730c2adfe9e84">tab_</a>.<a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a5147d86fd74744e5370cebd5e8191c52">credit</a>(from, to, amount, preCreditBalance);</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span>}</div>
</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00208" data-start="{" data-end="}">
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#a203c96c673b5782c2e88579d25d7c634"> 208</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#a203c96c673b5782c2e88579d25d7c634">PaymentSandbox::adjustOwnerCountHook</a>(<a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> <span class="keyword">const</span>&amp; account, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> cur, <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> next)</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span>{</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <a class="code hl_variable" href="classxrpl_1_1PaymentSandbox.html#ac2ebf7f0b5c6334e204730c2adfe9e84">tab_</a>.<a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a80a83d17c67d4407ca1461b33480cbf3">ownerCount</a>(account, cur, next);</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span>}</div>
</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00214" data-start="{" data-end="}">
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#ab46d831e963f78077d41d032eef83370"> 214</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#ab46d831e963f78077d41d032eef83370">PaymentSandbox::apply</a>(<a class="code hl_class" href="classxrpl_1_1RawView.html">RawView</a>&amp; to)</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span>{</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> XRPL_ASSERT(!<a class="code hl_variable" href="classxrpl_1_1PaymentSandbox.html#a8efeb2e90da3fc82f612985c8303374c">ps_</a>, <span class="stringliteral">&quot;xrpl::PaymentSandbox::apply : non-null sandbox&quot;</span>);</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> <a class="code hl_variable" href="classxrpl_1_1detail_1_1ApplyViewBase.html#aaa6085fb94ff569c00618ef8f7ca6427">items_</a>.<a class="code hl_function" href="classxrpl_1_1detail_1_1ApplyStateTable.html#a9dc4f662d7bf1c6d3d6e731da0940bbf">apply</a>(to);</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span>}</div>
</div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> </div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span><span class="keywordtype">void</span></div>
<div class="foldopen" id="foldopen00221" data-start="{" data-end="}">
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#a964e007a1d0769f387922fba85005b2e"> 221</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#ab46d831e963f78077d41d032eef83370">PaymentSandbox::apply</a>(<a class="code hl_class" href="classxrpl_1_1PaymentSandbox.html">PaymentSandbox</a>&amp; to)</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span>{</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> XRPL_ASSERT(<a class="code hl_variable" href="classxrpl_1_1PaymentSandbox.html#a8efeb2e90da3fc82f612985c8303374c">ps_</a> == &amp;to, <span class="stringliteral">&quot;xrpl::PaymentSandbox::apply : matching sandbox&quot;</span>);</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> <a class="code hl_variable" href="classxrpl_1_1detail_1_1ApplyViewBase.html#aaa6085fb94ff569c00618ef8f7ca6427">items_</a>.<a class="code hl_function" href="classxrpl_1_1detail_1_1ApplyStateTable.html#a9dc4f662d7bf1c6d3d6e731da0940bbf">apply</a>(to);</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> <a class="code hl_variable" href="classxrpl_1_1PaymentSandbox.html#ac2ebf7f0b5c6334e204730c2adfe9e84">tab_</a>.<a class="code hl_function" href="classxrpl_1_1detail_1_1DeferredCredits.html#a2c939376fd7b4ab69116c4532d34e555">apply</a>(to.<a class="code hl_variable" href="classxrpl_1_1PaymentSandbox.html#ac2ebf7f0b5c6334e204730c2adfe9e84">tab_</a>);</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span>}</div>
</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span> </div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span><a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;std::tuple&lt;AccountID, AccountID, Currency&gt;</a>, <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a>&gt;</div>
<div class="foldopen" id="foldopen00229" data-start="{" data-end="}">
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#af3f51b2db32eb1f0ab9c80a7ace3a0dd"> 229</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#af3f51b2db32eb1f0ab9c80a7ace3a0dd">PaymentSandbox::balanceChanges</a>(<a class="code hl_class" href="classxrpl_1_1ReadView.html">ReadView</a> <span class="keyword">const</span>&amp; view)<span class="keyword"> const</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">using </span>key_t = <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/utility/tuple.html">std::tuple&lt;AccountID, AccountID, Currency&gt;</a>;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="comment">// Map of delta trust lines. As a special case, when both ends of the trust</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> <span class="comment">// line are the same currency, then it&#39;s delta currency for that issuer. To</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="comment">// get the change in XRP balance, Account == root, issuer == root, currency</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// == XRP</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/container/map.html">std::map&lt;key_t, STAmount&gt;</a> result;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// populate a dictionary with low/high/currency/delta. This can be</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> <span class="comment">// compared with the other versions payment code.</span></div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">auto</span> each = [&amp;result](</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">uint256</a> <span class="keyword">const</span>&amp; key,</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordtype">bool</span> isDelete,</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;SLE const&gt;</a> <span class="keyword">const</span>&amp; before,</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <a class="code hl_classRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;SLE const&gt;</a> <span class="keyword">const</span>&amp; <a class="code hl_function" href="namespacexrpl.html#a9d55a156c8ac4a2a61cb2e8a38daacfd">after</a>) {</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> oldBalance;</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <a class="code hl_class" href="classxrpl_1_1STAmount.html">STAmount</a> newBalance;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> lowID;</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span> <a class="code hl_class" href="classxrpl_1_1base__uint.html">AccountID</a> highID;</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span> <span class="comment">// before is read from prev view</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span> <span class="keywordflow">if</span> (isDelete)</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span> {</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span> <span class="keywordflow">if</span> (!before)</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> <span class="keyword">auto</span> <span class="keyword">const</span> bt = before-&gt;getType();</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span> <span class="keywordflow">switch</span> (bt)</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span> {</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span> <span class="keywordflow">case</span> ltACCOUNT_ROOT:</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span> lowID = <a class="code hl_function" href="namespacexrpl.html#ad672692958ebdff428b2af0a5d1c4b83">xrpAccount</a>();</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> highID = (*before)[sfAccount];</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span> oldBalance = (*before)[sfBalance];</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> newBalance = oldBalance.<a class="code hl_function" href="classxrpl_1_1STAmount.html#a7fd3e01469e17b5b84a80331b238b103">zeroed</a>();</div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span> <span class="keywordflow">case</span> ltRIPPLE_STATE:</div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span> lowID = (*before)[sfLowLimit].getIssuer();</div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span> highID = (*before)[sfHighLimit].getIssuer();</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span> oldBalance = (*before)[sfBalance];</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span> newBalance = oldBalance.<a class="code hl_function" href="classxrpl_1_1STAmount.html#a7fd3e01469e17b5b84a80331b238b103">zeroed</a>();</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> <span class="keywordflow">case</span> ltOFFER:</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="comment">// TBD</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> }</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!before)</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> {</div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span> <span class="comment">// insert</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span> <span class="keyword">auto</span> <span class="keyword">const</span> at = <a class="code hl_function" href="namespacexrpl.html#a9d55a156c8ac4a2a61cb2e8a38daacfd">after</a>-&gt;getType();</div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span> <span class="keywordflow">switch</span> (at)</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span> {</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keywordflow">case</span> ltACCOUNT_ROOT:</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span> lowID = <a class="code hl_function" href="namespacexrpl.html#ad672692958ebdff428b2af0a5d1c4b83">xrpAccount</a>();</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> highID = (*after)[sfAccount];</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span> newBalance = (*after)[sfBalance];</div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span> oldBalance = newBalance.<a class="code hl_function" href="classxrpl_1_1STAmount.html#a7fd3e01469e17b5b84a80331b238b103">zeroed</a>();</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span> <span class="keywordflow">case</span> ltRIPPLE_STATE:</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> lowID = (*after)[sfLowLimit].getIssuer();</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> highID = (*after)[sfHighLimit].getIssuer();</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span> newBalance = (*after)[sfBalance];</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> oldBalance = newBalance.<a class="code hl_function" href="classxrpl_1_1STAmount.html#a7fd3e01469e17b5b84a80331b238b103">zeroed</a>();</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span> <span class="keywordflow">case</span> ltOFFER:</div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span> <span class="comment">// TBD</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> }</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> }</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> {</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> <span class="comment">// modify</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keyword">auto</span> <span class="keyword">const</span> at = <a class="code hl_function" href="namespacexrpl.html#a9d55a156c8ac4a2a61cb2e8a38daacfd">after</a>-&gt;getType();</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> XRPL_ASSERT(</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> at == before-&gt;getType(),</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="stringliteral">&quot;xrpl::PaymentSandbox::balanceChanges : after and before &quot;</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> <span class="stringliteral">&quot;types matching&quot;</span>);</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span> <span class="keywordflow">switch</span> (at)</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> {</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span> <span class="keywordflow">case</span> ltACCOUNT_ROOT:</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span> lowID = <a class="code hl_function" href="namespacexrpl.html#ad672692958ebdff428b2af0a5d1c4b83">xrpAccount</a>();</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span> highID = (*after)[sfAccount];</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> oldBalance = (*before)[sfBalance];</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> newBalance = (*after)[sfBalance];</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> <span class="keywordflow">case</span> ltRIPPLE_STATE:</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> lowID = (*after)[sfLowLimit].getIssuer();</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> highID = (*after)[sfHighLimit].getIssuer();</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> oldBalance = (*before)[sfBalance];</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> newBalance = (*after)[sfBalance];</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> <span class="keywordflow">case</span> ltOFFER:</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="comment">// TBD</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordflow">default</span>:</div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> <span class="keywordflow">break</span>;</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> }</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> }</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span> <span class="comment">// The following are now set, put them in the map</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> <span class="keyword">auto</span> delta = newBalance - oldBalance;</div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span> <span class="keyword">auto</span> <span class="keyword">const</span> cur = newBalance.<a class="code hl_function" href="classxrpl_1_1STAmount.html#aa6995239a384e8abf4efffa1b4880fd9">getCurrency</a>();</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span> result[<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/make_tuple.html">std::make_tuple</a>(lowID, highID, cur)] = delta;</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span> <span class="keyword">auto</span> r = result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/map/emplace.html">emplace</a>(<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/make_tuple.html">std::make_tuple</a>(lowID, lowID, cur), delta);</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordflow">if</span> (r.second)</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span> {</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> r.first-&gt;second += delta;</div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span> }</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span> </div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span> delta.negate();</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> r = result.<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/container/map/emplace.html">emplace</a>(<a class="code hl_functionRef" href="http://en.cppreference.com/w/cpp/utility/tuple/make_tuple.html">std::make_tuple</a>(highID, highID, cur), delta);</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> <span class="keywordflow">if</span> (r.second)</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> {</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> r.first-&gt;second += delta;</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> }</div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> };</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <a class="code hl_variable" href="classxrpl_1_1detail_1_1ApplyViewBase.html#aaa6085fb94ff569c00618ef8f7ca6427">items_</a>.<a class="code hl_function" href="classxrpl_1_1detail_1_1ApplyStateTable.html#a4df73c19497de031f633530337aeb6f4">visit</a>(view, each);</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>}</div>
</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span><a class="code hl_class" href="classxrpl_1_1XRPAmount.html">XRPAmount</a></div>
<div class="foldopen" id="foldopen00354" data-start="{" data-end="}">
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno"><a class="line" href="classxrpl_1_1PaymentSandbox.html#ae47eade183cf27a3de5223e7372966cc"> 354</a></span><a class="code hl_function" href="classxrpl_1_1PaymentSandbox.html#ae47eade183cf27a3de5223e7372966cc">PaymentSandbox::xrpDestroyed</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno"> 355</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno"> 356</span> <span class="keywordflow">return</span> <a class="code hl_variable" href="classxrpl_1_1detail_1_1ApplyViewBase.html#aaa6085fb94ff569c00618ef8f7ca6427">items_</a>.<a class="code hl_function" href="classxrpl_1_1detail_1_1ApplyStateTable.html#a506ef24c80990b7586ebaa44fddf1b28">dropsDestroyed</a>();</div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno"> 357</span>}</div>
</div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno"> 358</span> </div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno"> 359</span>} <span class="comment">// namespace xrpl</span></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html">xrpl::PaymentSandbox</a></div><div class="ttdoc">A wrapper which makes credits unavailable to balances.</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00089">PaymentSandbox.h:90</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_a0002ba59021a6cdd09775cd2c826d47d"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#a0002ba59021a6cdd09775cd2c826d47d">xrpl::PaymentSandbox::balanceHook</a></div><div class="ttdeci">STAmount balanceHook(AccountID const &amp;account, AccountID const &amp;issuer, STAmount const &amp;amount) const override</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00139">PaymentSandbox.cpp:139</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_a203c96c673b5782c2e88579d25d7c634"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#a203c96c673b5782c2e88579d25d7c634">xrpl::PaymentSandbox::adjustOwnerCountHook</a></div><div class="ttdeci">void adjustOwnerCountHook(AccountID const &amp;account, std::uint32_t cur, std::uint32_t next) override</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00208">PaymentSandbox.cpp:208</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_a8efeb2e90da3fc82f612985c8303374c"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#a8efeb2e90da3fc82f612985c8303374c">xrpl::PaymentSandbox::ps_</a></div><div class="ttdeci">PaymentSandbox const * ps_</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00171">PaymentSandbox.h:171</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_ab46d831e963f78077d41d032eef83370"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#ab46d831e963f78077d41d032eef83370">xrpl::PaymentSandbox::apply</a></div><div class="ttdeci">void apply(RawView &amp;to)</div><div class="ttdoc">Apply changes to base view.</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00214">PaymentSandbox.cpp:214</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_ac2ebf7f0b5c6334e204730c2adfe9e84"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#ac2ebf7f0b5c6334e204730c2adfe9e84">xrpl::PaymentSandbox::tab_</a></div><div class="ttdeci">detail::DeferredCredits tab_</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00170">PaymentSandbox.h:170</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_acfd7048071d09a03d592e0b3b76be997"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#acfd7048071d09a03d592e0b3b76be997">xrpl::PaymentSandbox::ownerCountHook</a></div><div class="ttdeci">std::uint32_t ownerCountHook(AccountID const &amp;account, std::uint32_t count) const override</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00186">PaymentSandbox.cpp:186</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_ad408e283d844a56589036f02334cc336"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#ad408e283d844a56589036f02334cc336">xrpl::PaymentSandbox::creditHook</a></div><div class="ttdeci">void creditHook(AccountID const &amp;from, AccountID const &amp;to, STAmount const &amp;amount, STAmount const &amp;preCreditBalance) override</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00198">PaymentSandbox.cpp:198</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_ae47eade183cf27a3de5223e7372966cc"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#ae47eade183cf27a3de5223e7372966cc">xrpl::PaymentSandbox::xrpDestroyed</a></div><div class="ttdeci">XRPAmount xrpDestroyed() const</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00354">PaymentSandbox.cpp:354</a></div></div>
<div class="ttc" id="aclassxrpl_1_1PaymentSandbox_html_af3f51b2db32eb1f0ab9c80a7ace3a0dd"><div class="ttname"><a href="classxrpl_1_1PaymentSandbox.html#af3f51b2db32eb1f0ab9c80a7ace3a0dd">xrpl::PaymentSandbox::balanceChanges</a></div><div class="ttdeci">std::map&lt; std::tuple&lt; AccountID, AccountID, Currency &gt;, STAmount &gt; balanceChanges(ReadView const &amp;view) const</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00229">PaymentSandbox.cpp:229</a></div></div>
<div class="ttc" id="aclassxrpl_1_1RawView_html"><div class="ttname"><a href="classxrpl_1_1RawView.html">xrpl::RawView</a></div><div class="ttdoc">Interface for ledger entry changes.</div><div class="ttdef"><b>Definition</b> <a href="RawView_8h_source.html#l00014">RawView.h:15</a></div></div>
<div class="ttc" id="aclassxrpl_1_1ReadView_html"><div class="ttname"><a href="classxrpl_1_1ReadView.html">xrpl::ReadView</a></div><div class="ttdoc">A view into a ledger.</div><div class="ttdef"><b>Definition</b> <a href="ReadView_8h_source.html#l00031">ReadView.h:32</a></div></div>
<div class="ttc" id="aclassxrpl_1_1STAmount_html"><div class="ttname"><a href="classxrpl_1_1STAmount.html">xrpl::STAmount</a></div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00030">STAmount.h:31</a></div></div>
<div class="ttc" id="aclassxrpl_1_1STAmount_html_a7fd3e01469e17b5b84a80331b238b103"><div class="ttname"><a href="classxrpl_1_1STAmount.html#a7fd3e01469e17b5b84a80331b238b103">xrpl::STAmount::zeroed</a></div><div class="ttdeci">STAmount zeroed() const</div><div class="ttdoc">Returns a zero value with the same issuer and currency.</div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00479">STAmount.h:479</a></div></div>
<div class="ttc" id="aclassxrpl_1_1STAmount_html_aa6995239a384e8abf4efffa1b4880fd9"><div class="ttname"><a href="classxrpl_1_1STAmount.html#aa6995239a384e8abf4efffa1b4880fd9">xrpl::STAmount::getCurrency</a></div><div class="ttdeci">Currency const &amp; getCurrency() const</div><div class="ttdef"><b>Definition</b> <a href="STAmount_8h_source.html#l00461">STAmount.h:461</a></div></div>
<div class="ttc" id="aclassxrpl_1_1XRPAmount_html"><div class="ttname"><a href="classxrpl_1_1XRPAmount.html">xrpl::XRPAmount</a></div><div class="ttdef"><b>Definition</b> <a href="XRPAmount_8h_source.html#l00020">XRPAmount.h:24</a></div></div>
<div class="ttc" id="aclassxrpl_1_1base__uint_html"><div class="ttname"><a href="classxrpl_1_1base__uint.html">xrpl::base_uint&lt; 160, detail::AccountIDTag &gt;</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1ApplyStateTable_html_a4df73c19497de031f633530337aeb6f4"><div class="ttname"><a href="classxrpl_1_1detail_1_1ApplyStateTable.html#a4df73c19497de031f633530337aeb6f4">xrpl::detail::ApplyStateTable::visit</a></div><div class="ttdeci">void visit(ReadView const &amp;base, std::function&lt; void(uint256 const &amp;key, bool isDelete, std::shared_ptr&lt; SLE const &gt; const &amp;before, std::shared_ptr&lt; SLE const &gt; const &amp;after)&gt; const &amp;func) const</div><div class="ttdef"><b>Definition</b> <a href="ApplyStateTable_8cpp_source.html#l00055">ApplyStateTable.cpp:55</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1ApplyStateTable_html_a506ef24c80990b7586ebaa44fddf1b28"><div class="ttname"><a href="classxrpl_1_1detail_1_1ApplyStateTable.html#a506ef24c80990b7586ebaa44fddf1b28">xrpl::detail::ApplyStateTable::dropsDestroyed</a></div><div class="ttdeci">XRPAmount const &amp; dropsDestroyed() const</div><div class="ttdef"><b>Definition</b> <a href="ApplyStateTable_8h_source.html#l00103">ApplyStateTable.h:103</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1ApplyStateTable_html_a9dc4f662d7bf1c6d3d6e731da0940bbf"><div class="ttname"><a href="classxrpl_1_1detail_1_1ApplyStateTable.html#a9dc4f662d7bf1c6d3d6e731da0940bbf">xrpl::detail::ApplyStateTable::apply</a></div><div class="ttdeci">void apply(RawView &amp;to) const</div><div class="ttdef"><b>Definition</b> <a href="ApplyStateTable_8cpp_source.html#l00012">ApplyStateTable.cpp:12</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1ApplyViewBase_html_aaa6085fb94ff569c00618ef8f7ca6427"><div class="ttname"><a href="classxrpl_1_1detail_1_1ApplyViewBase.html#aaa6085fb94ff569c00618ef8f7ca6427">xrpl::detail::ApplyViewBase::items_</a></div><div class="ttdeci">detail::ApplyStateTable items_</div><div class="ttdef"><b>Definition</b> <a href="ApplyViewBase_8h_source.html#l00103">ApplyViewBase.h:103</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html">xrpl::detail::DeferredCredits</a></div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00017">PaymentSandbox.h:18</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html_a2c939376fd7b4ab69116c4532d34e555"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html#a2c939376fd7b4ab69116c4532d34e555">xrpl::detail::DeferredCredits::apply</a></div><div class="ttdeci">void apply(DeferredCredits &amp;to)</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00109">PaymentSandbox.cpp:109</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html_a46237c415819bcd6110f8a313b1a0c68"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html#a46237c415819bcd6110f8a313b1a0c68">xrpl::detail::DeferredCredits::adjustments</a></div><div class="ttdeci">std::optional&lt; Adjustment &gt; adjustments(AccountID const &amp;main, AccountID const &amp;other, Currency const &amp;currency) const</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00084">PaymentSandbox.cpp:84</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html_a4fe80dc0ef4d648f95760f0d92a5cf11"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html#a4fe80dc0ef4d648f95760f0d92a5cf11">xrpl::detail::DeferredCredits::ownerCounts_</a></div><div class="ttdeci">std::map&lt; AccountID, std::uint32_t &gt; ownerCounts_</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00070">PaymentSandbox.h:70</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html_a5147d86fd74744e5370cebd5e8191c52"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html#a5147d86fd74744e5370cebd5e8191c52">xrpl::detail::DeferredCredits::credit</a></div><div class="ttdeci">void credit(AccountID const &amp;sender, AccountID const &amp;receiver, STAmount const &amp;amount, STAmount const &amp;preCreditSenderBalance)</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00020">PaymentSandbox.cpp:20</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html_a6d698e8c6e422f3570b22b8afa2713a4"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html#a6d698e8c6e422f3570b22b8afa2713a4">xrpl::detail::DeferredCredits::credits_</a></div><div class="ttdeci">std::map&lt; Key, Value &gt; credits_</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00069">PaymentSandbox.h:69</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html_a80a83d17c67d4407ca1461b33480cbf3"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html#a80a83d17c67d4407ca1461b33480cbf3">xrpl::detail::DeferredCredits::ownerCount</a></div><div class="ttdeci">void ownerCount(AccountID const &amp;id, std::uint32_t cur, std::uint32_t next)</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00062">PaymentSandbox.cpp:62</a></div></div>
<div class="ttc" id="aclassxrpl_1_1detail_1_1DeferredCredits_html_ae7a2718548ad7c7010abea6afa848f50"><div class="ttname"><a href="classxrpl_1_1detail_1_1DeferredCredits.html#ae7a2718548ad7c7010abea6afa848f50">xrpl::detail::DeferredCredits::makeKey</a></div><div class="ttdeci">static Key makeKey(AccountID const &amp;a1, AccountID const &amp;a2, Currency const &amp;c)</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8cpp_source.html#l00011">PaymentSandbox.cpp:11</a></div></div>
<div class="ttc" id="aemplace_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional/emplace.html">std::optional::emplace</a></div><div class="ttdeci">T emplace(T... args)</div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
<div class="ttc" id="ais_same_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/is_same.html">std::is_same_v</a></div><div class="ttdeci">T is_same_v</div></div>
<div class="ttc" id="amake_pair_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/pair/make_pair.html">std::make_pair</a></div><div class="ttdeci">T make_pair(T... args)</div></div>
<div class="ttc" id="amake_tuple_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/tuple/make_tuple.html">std::make_tuple</a></div><div class="ttdeci">T make_tuple(T... args)</div></div>
<div class="ttc" id="amap_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/map.html">std::map</a></div></div>
<div class="ttc" id="amax_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/max.html">std::max</a></div><div class="ttdeci">T max(T... args)</div></div>
<div class="ttc" id="amin_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/algorithm/min.html">std::min</a></div><div class="ttdeci">T min(T... args)</div></div>
<div class="ttc" id="anamespacexrpl_html"><div class="ttname"><a href="namespacexrpl.html">xrpl</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition</b> <a href="algorithm_8h_source.html#l00006">algorithm.h:6</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a255b5518870987aa13c1a924c9900ab9"><div class="ttname"><a href="namespacexrpl.html#a255b5518870987aa13c1a924c9900ab9">xrpl::isXRP</a></div><div class="ttdeci">bool isXRP(AccountID const &amp;c)</div><div class="ttdef"><b>Definition</b> <a href="AccountID_8h_source.html#l00071">AccountID.h:71</a></div></div>
<div class="ttc" id="anamespacexrpl_html_a9d55a156c8ac4a2a61cb2e8a38daacfd"><div class="ttname"><a href="namespacexrpl.html#a9d55a156c8ac4a2a61cb2e8a38daacfd">xrpl::after</a></div><div class="ttdeci">bool after(NetClock::time_point now, std::uint32_t mark)</div><div class="ttdoc">Has the specified time passed?</div><div class="ttdef"><b>Definition</b> <a href="View_8cpp_source.html#l03436">View.cpp:3436</a></div></div>
<div class="ttc" id="anamespacexrpl_html_ad672692958ebdff428b2af0a5d1c4b83"><div class="ttname"><a href="namespacexrpl.html#ad672692958ebdff428b2af0a5d1c4b83">xrpl::xrpAccount</a></div><div class="ttdeci">AccountID const &amp; xrpAccount()</div><div class="ttdoc">Compute AccountID from public key.</div><div class="ttdef"><b>Definition</b> <a href="AccountID_8cpp_source.html#l00156">AccountID.cpp:156</a></div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional</a></div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1DeferredCredits_1_1Value_html"><div class="ttname"><a href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html">xrpl::detail::DeferredCredits::Value</a></div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00057">PaymentSandbox.h:58</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1DeferredCredits_1_1Value_html_a3f4fc1eab2310d426aad99564b6fa830"><div class="ttname"><a href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#a3f4fc1eab2310d426aad99564b6fa830">xrpl::detail::DeferredCredits::Value::lowAcctOrigBalance</a></div><div class="ttdeci">STAmount lowAcctOrigBalance</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00063">PaymentSandbox.h:63</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1DeferredCredits_1_1Value_html_a735d3100cc686833e05a31f181c809e5"><div class="ttname"><a href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#a735d3100cc686833e05a31f181c809e5">xrpl::detail::DeferredCredits::Value::lowAcctCredits</a></div><div class="ttdeci">STAmount lowAcctCredits</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00061">PaymentSandbox.h:61</a></div></div>
<div class="ttc" id="astructxrpl_1_1detail_1_1DeferredCredits_1_1Value_html_ab77c64b876f7227f1891885f48dcac7d"><div class="ttname"><a href="structxrpl_1_1detail_1_1DeferredCredits_1_1Value.html#ab77c64b876f7227f1891885f48dcac7d">xrpl::detail::DeferredCredits::Value::highAcctCredits</a></div><div class="ttdeci">STAmount highAcctCredits</div><div class="ttdef"><b>Definition</b> <a href="PaymentSandbox_8h_source.html#l00062">PaymentSandbox.h:62</a></div></div>
<div class="ttc" id="atuple_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/tuple.html">std::tuple</a></div></div>
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